ETA 789BrandETACaliber789Size7 3/4x11FunctionVersionHands0,65x1,20Stem7203Stem (subs.)Stem (2 pce)Balance staff29301Balance staff (subs.)Mainspring (subs.)1,3x10,0x0,11Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027203723Balance staff ST -shock-absorber80229301